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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0425011 (1989-10-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 4 |
A guide shoe of a power chain saw unit is movable along a series of side-by-side roof rafters. A power chain saw of the power chain saw unit is connected to the guide shoe by rigid rods. When operated, the power chain saw cuts notches in the roof rafters in the direction of travel of the guide shoe.
A portable power chain saw unit comprising: (a) a guide shoe adapted to engage the upper surface of a workpiece for movement therealong, said guide shoe being formed with an opening; (b) a power chain saw having a chain saw blade assembly extending through said opening in said guide shoe and project
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